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Ubbink OFT/1F Flat Roof Vent/Terminal

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£24.78 Incl. VAT
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Ubbink’s OFT/1 flat roof vent/terminal can be used in soil and vent systems, and for natural (passive) or mechanical ventilation installations. Suitable for a felt roof covering, the Ubbink OFT/1 range provides a large free vent area whilst have a low Pascal resistance figure.

Available in five different flange types for different roof coverings, Asphalt, Felt, EPDM, Bitumen and PVC, the Ubbink OFT/1 range is available to allow termination through a flat roof to ducting up to 166mm. Ubbink OFT/1 has a stack cap that is fixed mechanically so that it is more secure when installed in extreme weathers, however this can be removed for servicing purposes.

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Questions & Answers


Have you got this for a bitumen felt application?


This item is provided with a flangle suitable for insyallation with Bitumen Felt.


How do you waterproof in grp roof. What do you deal with to make waterproof.


Part of installation will be dressing GRP back over the flange to make this waterproof. We would recommend getting a Roofer to do this job as GRP is a more specialist product.


5 / 5 2 reviews
Amal Weerasinha
Reviewing Ubbink OFT/1F Flat Roof Vent/Terminal - 110mm
9th October 2020
Perfect and fit for purpose. Came in a huge box!
Reviewing Ubbink OFT/1F Flat Roof Vent/Terminal - 110mm
22nd June 2020
Does what it says on the tin
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Ubbink OFT/1F Flat Roof Vent/Terminal

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